Ross: These rooftop gardens are getting a new tenant, bees

Urban rooftop gardens have been around for a long time, but today, they’re not just for decoration. They’re a crucial part of the green building movement. Where instead of just shedding runoff, the roof stores it and releases it back into the atmosphere to reduce the need for drainage systems. One Bryant Park is a 51-story office tower at 6th Avenue and 42nd Street in New York City. It’s one…